Add or subtract. Make sure you simplify your final answer.
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Change the order of integration and evaluate the integral.
A. 12?2 B. 9?2 C. 12? D. 9?
Mathematics
Use the discriminant to determine the number of solutions of the quadratic equation.4 + 4z2 = 5z
A. 1 real solution B. no real solution C. 2 real solutions
Mathematics
Solve. Answer with a complete sentence.A 0.75-lb package of salami costs $2.74. What was the price of one pound of salami?
A. The price of one pound of salami was $3.65. B. The price of one pound of salami was $2.74. C. The price of one pound of salami was $2.06. D. The price of one pound of salami was $4.80.
Mathematics
Use trigonometric identities to find the exact value.
A. -2
B. -
C. - 
D. - 
Mathematics